Going back to your "crappy wiring job" (wink), when I was originally planning out the Modified Murray wiring, I was going to use the wire lacing method. Definitely a great detail and something that was actually really common in more than just automotive and aircraft harnesses over the decades. Here's an interesting how-to video that I had seen.
https://youtu.be/CERS4TT4uZY
I never ended up doing it, but one day I'm going to do this. Maybe I should consider this for the 911 as well...
Carry-on! Just wanted to add to the mass-education you have going on here.